I know this is old news, but I cant find this in CS. maybe i didnt search deep enough... anyway here goes..
"These were all taken at a recent training burn with my D700 and 16-35 f4 VR. Great combo, and proved it's nearly indestructible. I managed to melt my SB800 (and my helmet), though it still works! The D700 and lens never failed - 650 images in 15 minutes at one point, with and without flash. Most at iso 3200. The thermal imaging camera visible in one of the photos read 2300 degrees Fahrenheit at the ceiling..."
Full story here